/* Components CSS */

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    display: none;
    align-items: center;
    justify-content: space-around;
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: var(--z-fixed);
}

.mobile-nav.hidden {
    display: none;
}

.mobile-nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    min-width: 60px;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--primary-color);
}

.mobile-nav-link i {
    font-size: 20px;
}

.mobile-nav-link span {
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* Workout Cards */
.workouts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.workout-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.workout-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.workout-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: white;
    position: relative;
    overflow: hidden;
}

.workout-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.workout-duration {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.workout-info {
    padding: var(--spacing-lg);
}

.workout-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.workout-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.workout-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.workout-difficulty {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.difficulty-beginner {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.difficulty-intermediate {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.difficulty-advanced {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-color);
}

.workout-category {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.workout-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
}

/* Exercise Cards */
.exercises-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.exercise-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.exercise-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.exercise-image {
    width: 100%;
    height: 160px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    position: relative;
}

.exercise-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.exercise-info {
    padding: var(--spacing-lg);
}

.exercise-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.exercise-muscle {
    color: var(--primary-color);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.exercise-equipment {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Filters */
.workout-filters,
.exercise-filters {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.exercise-search {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    max-width: 400px;
}

.exercise-search input {
    flex: 1;
}

.exercise-search button {
    width: 48px;
    height: 48px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.exercise-search button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* Progress Charts */
.progress-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.chart-container h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.chart-container canvas {
    max-width: 100%;
    height: 300px;
}

/* Achievements */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.achievement-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-fast);
}

.achievement-card.unlocked {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.05);
}

.achievement-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.achievement-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.achievement-card.unlocked .achievement-icon {
    background: linear-gradient(135deg, var(--success-color), #059669);
}

.achievement-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.achievement-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Plans */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.plan-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    text-align: center;
    position: relative;
    transition: all var(--transition-fast);
}

.plan-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.plan-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(124, 58, 237, 0.05));
    transform: scale(1.05);
}

.plan-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.plan-header {
    margin-bottom: var(--spacing-xl);
}

.plan-header h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
}

.plan-price .currency {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.plan-price .amount {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary-color);
}

.plan-price .period {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.plan-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

.plan-features li i {
    width: 16px;
    font-size: var(--font-size-sm);
}

.plan-features li i.fa-check {
    color: var(--success-color);
}

.plan-features li i.fa-times {
    color: var(--text-muted);
}

/* Profile */
.profile-content {
    max-width: 800px;
    margin: 0 auto;
}

.profile-avatar {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    display: inline-block;
}

.profile-avatar img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--primary-color);
    object-fit: cover;
}

.change-avatar-btn {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 36px;
    height: 36px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.change-avatar-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.profile-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
}

/* Notifications Panel */
.notifications-panel {
    position: fixed;
    top: 70px;
    right: -400px;
    width: 400px;
    height: calc(100vh - 70px);
    background: var(--bg-card);
    border-left: 1px solid var(--border-color);
    z-index: var(--z-modal);
    transition: right var(--transition-normal);
    overflow-y: auto;
}

.notifications-panel.open {
    right: 0;
}

.notifications-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.notifications-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.notifications-header button {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.notifications-header button:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.notifications-list {
    padding: var(--spacing-lg);
}

.notification-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.notification-item:hover {
    background: var(--bg-secondary);
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.notification-message {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.notification-time {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal-overlay.open {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Responsive Design for Components */
@media (max-width: 768px) {
    .mobile-nav {
        display: flex;
    }
    
    .workout-filters,
    .exercise-filters {
        flex-direction: column;
    }
    
    .progress-charts {
        grid-template-columns: 1fr;
    }
    
    .chart-container canvas {
        height: 250px;
    }
    
    .notifications-panel {
        width: 100%;
        right: -100%;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-card.featured {
        transform: none;
    }
}

@media (max-width: 480px) {
    .workouts-grid,
    .exercises-grid {
        grid-template-columns: 1fr;
    }
    
    .workout-card,
    .exercise-card {
        margin: 0 auto;
        max-width: 100%;
    }
    
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}